That's easy! Anything that is solid color is made from vinyl. You can tell because it looks like it was actually cut out of a solid color in order to create the design (because it was!). Need some examples? How about these:

Our other product is called Fab-tac and it's kind of like a mix between paper and fabric (with the adhesive backing of course). You can tell which these are because they actually look printed. This material is designed to hold its shape. So if it looks wrinkled, don't even worry about it. It will smooth out when you put it on the wall. This includes things like murals, wallpaper, circle prints and most of the artist work. Here are some examples!

The best part: no matter which material you use, all WNL wall graphics are 100% Guaranteed interior safe and removable. Boom.